In RealTracks, maybe not, but read on. In MIDI, yes, of course: copy the track to the Melody or Soloist and change to whatever voicings you want. Or change notes in any other track if you remember to freeze the track.

PG Music Support is correct if they said you cannot alter specific voicings in a RealTrack. The nature of RealTracks as prerecorded audio snippets makes the request impossible, with the exception that you can alter the root using the slash root, as you already know.

However - with RealTracks, you could regenerate the song many times and hope that you hit upon the right voicings, then freeze the track. In RealBand, it is possible to regenerate a section of a song, so this process would take a lot less time.

Finally, worst case, in RealBand or another DAW, you could copy the section with the voicings you like to the place where the voicings are not what you wanted.

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